One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,5,9)(3,10,12,16)(4,6,14,8)(7,13,15,11)(17,18,21,24,22,26,20,25)(19,23,29,31,30,32,28,27)(2,6)(4,14)(7,10)(8,9)(11,13)(15,16)(17,19,20,28,22,30,21,29)(18,23,25,27,26,32,24,31)(1,2)(3,7)(4,8)(5,9)(6,14)(10,11)(12,15)(13,16)(17,18,22,26)(19,27,30,31)(20,24,21,25)(23,29,32,28)(1,3,5,12)(2,7,9,15)(4,13,14,11)(6,10,8,16)(17,20,22,21)(18,24,26,25)(19,28,30,29)(23,31,32,27)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.